<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <div id="app">
    <h2>{{message}}</h2>
    <h2>{{message}},李银河!</h2>
    <!-- mustache语法中,不仅仅可以直接写变量,也可以写简单的表达式 -->
    <h2>{{firstName+lastName}}</h2>
    <h2>{{firstName+''+lastName}}</h2>
    <h2>{{firstName}} {{lastName}}</h2>
    <h2>{{counter*2}}</h2>
  </div>
  <script src="../js/vue.js"></script>
  <script>
    const app = new Vue({
      el: '#app',
      data: {
        message: '你好啊',
        firstName: 'koke',
        lastName: 'bryant',
        counter: 100
      },
      methods: {},
    })
  </script>
</body>

</html>